🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.58 AU - 0.64 AU

Year: 171 Days

Day: 35.6 Hours

Environment

Temp: 142 °C

Axial Tilt: 0.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.86 AU - 1.14 AU

Year: 360 Days

Day: 33 Hours

Environment

Temp: 30 °C

Axial Tilt: 25.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.04 AU - 2.32 AU

Year: 1158 Days

Day: 43.7 Hours

Environment

Temp: -65 °C

Axial Tilt: 26.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.19 AU - 2.41 AU

Year: 1255 Days

Day: 43.1 Hours

Environment

Temp: -68 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.32 AU - 2.8 AU

Year: 1474 Days

Day: 35.9 Hours

Environment

Temp: -81 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.56 AU - 2.96 AU

Year: 1650 Days

Day: 43.1 Hours

Environment

Temp: -100 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,822,968 km

• M1: 293,361 km (0.107 R)

Asteroid Belt

Center: 4.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.4

Radius: 11.2

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.72 AU - 7.82 AU

Year: 5650 Days

Day: 10.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,822,968 km

• M1: 139,425 km (0.044 R)
• M2: 518,656 km (0.062 R)
• M3: 1,414,149 km (0.028 R)
• M4: 2,145,981 km (0.109 R)
• M5: 2,616,168 km (0.099 R)
• M6: 4,922,817 km (0.103 R)
• M7: 6,207,863 km (0.115 R)
• M8: 7,416,165 km (0.086 R)
• M9: 8,151,887 km (0.101 R)
• M10: 9,855,059 km (0.101 R)
• M11: 10,928,723 km (0.101 R)
• M12: 11,686,586 km (0.047 R)
• M13: 12,078,532 km (0.112 R)
• M14: 12,940,814 km (0.115 R)
• M15: 14,674,354 km (0.084 R)
• M16: 15,538,132 km (0.107 R)
• M17: 17,115,343 km (0.09 R)
• M18: 18,072,320 km (0.106 R)
• M19: 18,465,015 km (0.118 R)
• M20: 18,997,434 km (0.11 R)
• M21: 20,093,088 km (0.081 R)
• M22: 21,741,208 km (0.111 R)
• M23: 23,169,120 km (0.089 R)
• M24: 26,044,840 km (0.112 R)
• M25: 27,054,027 km (0.111 R)
• M26: 28,351,938 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.1

Radius: 13.3

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 8.15 AU - 10.09 AU

Year: 9912 Days

Day: 9.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,822,968 km

• M1: 185,801 km (0.089 R)
• M2: 692,040 km (0.065 R)
• M3: 1,769,444 km (0.034 R)
• M4: 4,873,450 km (0.054 R)
• M5: 6,235,538 km (0.096 R)
• M6: 7,243,529 km (0.106 R)
• M7: 8,286,974 km (0.052 R)
• M8: 9,351,363 km (0.113 R)
• M9: 10,546,351 km (0.03 R)
• M10: 11,485,676 km (0.097 R)
• M11: 12,526,578 km (0.041 R)
• M12: 16,193,371 km (0.07 R)
• M13: 17,913,298 km (0.081 R)
• M14: 18,512,886 km (0.071 R)
• M15: 23,303,309 km (0.098 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921

Radius: 9.3

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 8.16 AU - 11.2 AU

Year: 10839 Days

Day: 15 Hours

Environment

Temp: -166 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,822,968 km

• M1: 116,986 km (0.112 R)
• M2: 424,559 km (0.09 R)
• M3: 847,921 km (0.065 R)
• M4: 1,224,309 km (0.083 R)
• M5: 2,629,033 km (0.079 R)
• M6: 3,344,560 km (0.108 R)
• M7: 4,039,890 km (0.103 R)
• M8: 4,392,044 km (0.072 R)
• M9: 4,732,828 km (0.117 R)
• M10: 5,752,936 km (0.094 R)
• M11: 6,276,379 km (0.097 R)
• M12: 6,872,227 km (0.107 R)
• M13: 7,247,568 km (0.097 R)
• M14: 7,636,523 km (0.094 R)
• M15: 10,928,723 km (0.117 R)
• M16: 12,947,696 km (0.116 R)
• M17: 13,264,245 km (0.063 R)
• M18: 13,847,078 km (0.106 R)
• M19: 15,343,805 km (0.045 R)
• M20: 17,324,481 km (0.095 R)
• M21: 21,432,438 km (0.11 R)
• M22: 23,900,354 km (0.039 R)
• M23: 26,046,485 km (0.116 R)
• M24: 31,624,242 km (0.095 R)
• M25: 39,123,434 km (0.076 R)
• M26: 42,233,573 km (0.098 R)
• M27: 44,062,557 km (0.064 R)
• M28: 50,487,935 km (0.055 R)
• M29: 52,868,635 km (0.101 R)
• M30: 55,489,441 km (0.1 R)

Kuiper Belt

Range: 30.5 - 57.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 13,641 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit